Singer Rihanna, right, performs while model Doutzen Kroes walks the runway during the 2012 Victoria's Secret Fashion Show on Wednesday Nov. 7, 2012 in New York. The show will be Broadcast on Tuesday, Dec. 4 (10:00 PM, ET/PT) on CBS.Evan Agostini/Invision
/ AP

Singer Justin Bieber celebrates during the finale of the 2012 Victoria's Secret Fashion Show on Wednesday Nov. 7, 2012 in New York. The show will be broadcast on Tuesday, Dec. 4 (10:00 PM, ET/PT) on CBS. (Photo by Evan Agostini/Invision/APEvan Agostini/Invision
/ AP

Singer Rihanna, center, celebrates during the finale of the 2012 Victoria's Secret Fashion Show on Wednesday Nov. 7, 2012 in New York. The show will be Broadcast on Tuesday, Dec. 4 (10:00 PM, ET/PT) on CBS.Evan Agostini/Invision
/ AP

Singer Bruno Mars, center, performs while a modesl walk the runway during the 2012 Victoria's Secret Fashion Show on Wednesday Nov. 7, 2012 in New York. The show will be Broadcast on Tuesday, Dec. 4 (10:00 PM, ET/PT) on CBS. (Photo by Evan Agostini/Invision/APEvan Agostini/Invision
/ AP